Rangoon Radha is a 1956 Indian Tamil-language film directed by A. Kasilingam and written by M. Karunanidhi.
The story revolves around Kottaiyur Dharmalinga Mudaliyar, a cunning man who presents a facade of nobility while harboring intentions towards his sister-in-law Thangam. He plots to marry her and gain control over their considerable wealth by convincing everyone that Rangam, the virtuous wife played by P. Bhanumathi, is being bewitched and slowly losing her sanity.
The film stars Sivaji Ganesan as Dharmalinga Mudaliar alongside P. Bhanumathi as Rangam, Rajasulochana as Radha, M. N. Rajam as Thangam, S. S. Rajendran and N. S. Krishnan in supporting roles.
The film is based on the 1944 American movie Gaslight and was released on 1 November 1956.